Kenneth S. answered • 03/19/18

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Her Ie again, just multiply the number of options in each category (assuming that a 'topping' will be chosen).

If omission of topping is allowed, use 13 as # choices there.

If cheese could be omitted, use 6 as the # of choices there; if meat can be omitted, use 7 as the # of choices there.

This illustrates the importance of VERY PRECISE STATEMENT OF CONDITIONS (POSSIBILITIES).